speak() in python ignoring callback (for BEGIN)
cerha at brailcom.org
Tue Apr 7 14:23:09 CEST 2009
Richard Schwarting wrote:
> Is this a common problem? Do people just not write code that needs to
> know when CallbackType.BEGIN occurs? Perhaps my system is poorly
> configured? The provided _test.py also encountered a failure with the
> assert on callbacks.
as I wrote this part of the code including this TODO, I'm trying to
remember what the problem was. I'm sorry I don't have much time to look
into it deeper right now. I believe the problem was that it is not
possible to lock self._callbacks before sending the SPEAK command, since
it would lead to a deadlock if the server had sent the callback before
the response to the speak command.
In my usage (the Orca SD backend) the problem practically didn't appear,
so I didn't have enough motivation to complicate the implementation to
Best regards, Tomas Cerha.
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